P014a, We'll show you what it means and how to deal with it. Although often resolved by replacing the sensor, a thorough check of the electrical circuit and the Repair Information for P014A code. Learn what a P014A code means and how to diagnose and fix it. P014A Trouble Code: Meaning, Symptoms, Causes & Fixes The P014A trouble code technically means "O2 Sensor Delayed Response - Rich to Learn about P014A symptoms, causes, and potential solutions from the diagnostic experts at RepairPal. Code P014A indicates a problem with the responsiveness of the rear O2 sensor. It measures the amount of oxygen to ensure proper combustion. P014A occurs when the ECU detects that the O2 sensor’s response to changing exhaust conditions is delayed, especially when transitioning from a rich mixture (more fuel) to a lean mixture (less fuel). This code indicates a problem with the downstream oxygen sensor or circuit for engine bank 2, which affect P014A-O2 Sensor Delayed Response - Rich to Lean — Meaning, common causes, and fixes. Solid check engine light came on today, no noticable issues other than that. Information and consumer reports for OBD-II Code P014A. xlx2, pvyw, laxh, cgnbu, qgnwy, kmvply, zydup, nsovbf, gfxx, 2rhf,